I don't recommend getting this for your computer. This app requires you to scan a QR code with your mobile device (therefore requiring it to be on your person when using the PC). Furthermore, the fact that the QR code link is BROKEN is also not helpful.
It is literally impossible to log into the app via desktop because of it.
• GROUP CHAT & CALLS: Create group chats with up to 500 people and group video calls up to 9 people.
• FREE VOICE & VIDEO CALLS: High-quality free calls to anywhere in the world.